Pass it as an argument. There is more complicated way by overloading IMessageFilter::HandleIncomingCall, but I doubt you will find it appropriate/simple... "...Ability to type is not enough to become a Programmer. Unless you type in VB. But then again you have to type really fast..." Me

There is no such API to my understanding. If the client does not provide the server with more information, then there is nothing linking the them except for the pointer that the client holds and the reference count on the server-side. Kuphryn

Thanks for your efforts. Can you please send us the code of both VB and VC server and client samples that you have written? This will help us in locating problem at our end. Regards.

I am not familiar with out-proc COM server. My thought is that the out-proc COM server will be a new version or even an entirely different server from the old one. Yes, the clients will have to change their code. Kuphryn

Hello, the CPians around the world.;) Nope. -Masaaki Onishi (eCoolSoft)- ASP.NET Web and Windows Application Development by C# and MFC. eCoolWebPanelBar(BETA) is availabe now. http://www.ecoolsoft.com

Create another two interfaces IMyInterfaceEx, IDualMyInterfaceEx which will expose the new fuctionality that you want to develop. IMyInterfaceEx implemenattion might be located on the same class which implements IMyInterface interface. And IDualMyInterfaceEx implemenattion might be located on the same class which implements IDualMyInterface interface. Regards, ShadiK. Shadi Al-Kahwaji